DENVER (AP) - Colorado Rockies starter Drew Pomeranz doesn't have his normal velocity.
For the moment, an appendectomy on Aug. 22 has slowed a fastball that can reach the 94-mph range.
Yet, the key player in a deadline deal that brought Pomeranz from the Cleveland Indians for Ubaldo Jimenez continues to impress.
``I think the word that would apply to what I've seen in two starts is efficiency,' Colorado manager Jim Tracy said.
``After what we saw last Sunday against Cincinnati and to walk out there and pitch in the manner in which he did tonight, you have to feel awfully good about what you saw tonight.'
After throwing 63 pitches in his major league debut Sunday, his pitch limit was about 20 pitches higher.
During his 85 pitches which he effectively mixed a changeup and curveball in with a fastball that peaked at 87 mph, Pomeranz allowed two runs and four hits, walked two and struck out five in 5 2-3 innings.
``If this kid gets to the offseason and gets a chance to get himself completely strengthened back up, we start talking 93 to 94 mph, with that breaking ball and changeup,' Tracy said. ``That is an awfully interesting scenario and that velocity will come back.
``I can't even think ahead now, Pomeranz said. ``You focus on what's going on right now, take care of business now and that will happen.'
Carlos Beltran had an RBI double in a four-run eighth inning and the San Francisco Giants extended their winning streak to seven games with a 6-5 win over the Colorado Rockies on Saturday night.
The Giants moved five games behind the Arizona Diamondbacks in the National League West with 10 games to play after Arizona lost at San Diego.
The Giants are also five games behind the Atlanta Braves in the wild-card race where they are third and trail the St. Louis Cardinals by a half game.
Huston Street, (1-4) pitching in a setup role after Rafael Betancourt took over as the closer in mid-August while Street was on the disabled list, gave up a leadoff single to Andres Torres in the eighth.
Street fielded Jeff Keppinger's bunt, but threw the ball wide of shortstop Hector Gomez, allowing Torres to take third.
Beltran followed with a run-scoring double that sent Keppinger to third. Street then struck out Mark DeRosa.
But Brett Pill, who tripled home the Giants' first run in the sixth, tripled again and two runs scored.
Matt Lindstrom relieved Street and got pinch hitter Aubrey Huff to ground to first baseman Jordan Pacheco. He was slow throwing the ball home, and Pill scored to make it 6-3.
``We had a 3-2 lead in the eighth inning and it didn't go so well,' said Tracy. ``I think the problem area for Huston (Street) tonight simply boils down to the inability to make a two-strike pitch.'
Santiago Casilla, filling in for injured closer Brian Wilson, earned his fifth save. He gave up a one-out single to pinch hitter Seth Smith and walked Ty Wigginton.
Mark Ellis doubled to score Smith, and Wigginton scored when Wilin Rosario grounded out.
Gomez had gone 2 for 3 in his first major league start, one night after his major league debut, but Casilla struck him out to end the game.
Waldis Joaquin (1-0) retired the two batters he faced in the eighth to earn the victory.
The Rockies' sixth-inning rally began with one out when Gomez singled for his first major league hit and pinch hitter Kevin Kouzmanoff singled. The runners moved up on a double steal with Eric Young Jr. in the process of drawing a walk.
Dexter Fowler singled home two runs, but was thrown out trying to take second after Young beat right fielder Beltran's throw to third. Guillermo Mota escaped further damage by striking out Jordan Pacheco.
Pomeranz walked DeRosa with two outs in the sixth and was taken out after throwing 85 pitches.
Matt Belisle relieved Pomeranz and Pill, the first batter he faced, drove a ball over the head of Wigginton, who started his second game of the season in right field and first at Coors Field.
Wigginton got too close to the fence, enabling Pill to get a triple as the ball rebounded away from Wigginton. Belisle then got Orlando Cabrera to ground out.
The Giants scored a run in the second when Justin Christian singled off the glove of third baseman Pacheco with one out. He took third on a ground out and came home when pitcher Eric Surkamp lined a first-pitch single past Pomeranz for his first hit and first RBI in the majors.
It was the first run Pomeranz allowed after 16 scoreless innings to start his career in the Rockies organization.
Fowler walked with two outs in the fifth and stole second.
Pacheco, making his ninth major league start and batting third for the first time, won an eight-pitch encounter and singled home Fowler.
Jason Giambi followed with a single, sending Pacheco to third. Wigginton walked to load the bases. It was Surkamp's sixth walk and his final batter in a 98-pitch outing.
Surkamp gave up a two-out double in the second to Wilin Rosario. But after intentionally walking Gomez, Surkamp struck out Pomeranz.
Notes: Tracy said center fielder Dexter Fowler would not be in the lineup Sunday. He has started every game since Aug. 15. ... Rockies shortstop Troy Tulowitzki (left hip), first baseman Todd Helton (back) and right fielder Carlos Gonzalez (right wrist) didn't play. Tulowitzki has missed four straight games and six of the past eight. Helton has missed four straight games and 10 of the past 12 games, and Gonzalez missed his second straight game. ... EHP Esmil Rogers, who is 6-5 with a 5.88 ERA overall but 1-2 with a 9.86 ERA at Coors Field, will start for the Rockies.
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